Finding the Fourth Proportional to 156,636.24, 216,106.56 and 88,646.46

Step by Step Solution

1. Step 1: Write the proportion equation
   156,636.24 : 216,106.56 = 88,646.46 : x
2. Step 2: Convert to fraction form
   156,636.24/216,106.56 = 88,646.46/x
3. Step 3: Cross multiply
   156,636.24x = 216,106.56 × 88,646.46
4. Step 4: Simplify right side
   156,636.24x = 19,157,081,526.78
5. Step 5: Solve for x
   x = 19,157,081,526.78/156,636.24
6. Step 6: Final answer
   x = 122,303.00